1. National Unit for Screening and Diagnosis of Congenital Pediatric Metabolic Disorders, Department of Medical Biochemistry, Oslo University Hospital, Rikshospitalet, Sognsvannsveien 20, Oslo 0372, Norway
2. Department of Mechanical, Electronic and Chemical Engineering, Faculty of Technology, Art and Design, Oslo Metropolitan University, Pilestredet 35, Oslo 0166, Norway
3. Department of Medical Biochemistry, Oslo University Hospital, Rikshospitalet, Sognsvannsveien 20, Oslo 0372, Norway
4. Department of Chemistry, University of Oslo, Sem Sælands vei 26, Oslo 0371, Norway
5. Hybrid Technology Hub-Centre of Excellence, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Domus Medica, Gaustad, Sognsvannsveien 9, Oslo 0372, Norway